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Peltier devices and entropy

MattC
in Engineering

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Correct me if I'm wrong about any of this, please

Peltier devices utilize an electrical current to produce a cold side and a hot side. The hot side gains it's heat energy from the electricity used to drive the device and from the heat absorbed by the cold side.

 

Would it be wrong to say that close to 100% of the energy used to power the device ends up as heat on the hot side?

  • Author

not counting any heat lost through wires as the power travels from the source to the outlet and then through the plug and into the peltier device

No, it would not be wrong to say that.

  • Author

Thank you!

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